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Was surprized to find out that 12.2(46)SG has MQC QoS, so no mor LAN QoS.Very good, long time awaiting ...QoS configuration page for 45oo Sup-6 is very simplistic and does not really open up the differences between long existing MQC on routers and MQ...
Best way is to set STP priority to 0.This puts switch unconditionally into STP root for VLAN so no other switch can ever beat it.If you take a step further to make your LAN more deterministic then force another switch to become a secondaryExample: ma...
It's more design question with few different ways of doing.A safest approach is using routed (or L-3) links to better segment networks.This not only gives a good protection against broadcast storms/floods and many other unwanted Level-2 communicatio...
